Add 5/10 and 9/8
1st number: 5/10, 2nd number: 1 1/8
5/10 + 9/8 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
5/10 = 5 × 4/10 × 4 = 20/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Add the two like fractions:
20/40 + 45/40 = 20 + 45/40 = 65/40 - 65/40 simplified gives 13/8
- So, 5/10 + 9/8 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10+18/8 5/20+9/8 5/10+9/16 15/10+9/8 5/10+27/8 5/30+9/8 5/10+9/24 25/10+9/8 5/10+45/8 5/50+9/8 5/10+9/40 35/10+9/8 5/10+63/8 5/70+9/8 5/10+9/56